License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John Koetsier:

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Specialties & Research

Dr. John Koetsier, MD is board certified in Pediatrics.

Education & Awards

Dr. Koetsier graduated from Wayne State University, Detroit.


Dr. Koetsier has 14 hospital affiliations:

  • Zeeland Community Hospital 
  • Spectrum Health Medical Center 

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Additional Information
Dr. John M Koetsier MD is a male Pediatrician, has 38 years of experience and practices in Pediatrics.
Where does Dr. John M. Koetsier practice?
Dr. John Koetsier has 3 office locations.
Dr. John Koetsier practices Pediatrics near Jenison, MI.
Additional practice locations include: Grand Rapids, MI.
See Jenison Pediatricians.